Market Analytics Indicator packages designed for use with TradeStation or SuperCharts software. http://www.marketanalytics.net

Trade System Inc. Two systems, Aberration for general commodities and Ascendx for the S&P 500. http://www.trade-system.com

Jurik Research High-Tech software modules for individual investors and financial trading system development. http://www.jurikres.com/home.html

The Fdates Membership and TTC (The Trading Calculators) Timing calculator using Gann and Fibonacci ratios. http://FSoftPublishing.com/

MindFire Systems Commodity trading systems. http://www.mindfire-systems.com/

Mesa Software Adaptive Trading Systems. http://www.mesasoftware.com/

Trotter Trading Systems S&P 500 trading system, designed to identify market direction over the short term. Offers option calculator, volatility statistics and put/call ratios. http://www.trotter.com/

ChaosFutures S&P 500 day trading system. Daily and hourly forecasts using fibonacci, fractal and chaos math paradigms. http://www.chaosfutures.com

Commodex Futures trading system; subscribers can access a bulletin board with the latest trading signals. http://www.commodex.com

Chuck Le Beau's System Traders Club Moderated forum, and free educational material. Several trading system with hypothetical performance statistics. http://www.traderclub.com/

Dominator Systems S&P 500, E-mini and T-Bond trading systems providing daily entry and exit signals for the next day's trading by fax or e-mail. http://www.sp-bond-dominator.com/

Marvel Trading System Subscription system, algorithmically trading the E-mini and the S&P. http://www.marveltrading.com

Stafford Trading Company Offers two trading systems. The first is designed to trade all markets, the second is for day trading the S&P 500. http://www.staffordtrading.com/

Market Technologies Corporation Features Louis Mendelsohn's VantagePoint software, intermarket analysis and neural networks for system trading. http://www.profittaker.com

TradeSignals.com Technical trading systems, analysis, interactive Java charts, and quotes. http://www.tradesignals.com/

S&P Bankbook Day and swing trading systems for the S&P Index. Offers entry, stop, and exit rules. http://www.spbankbook.com

WolfeWave A rhythm based technical system similar to Elliot Wave analysis. Identifies waves of supply and demand that form their own equilibrium. Written by Bill Wolfe http://www.wolfewave.com

Index Trader Designed to trade the SPI, Hang Seng, DAX, FTSE and SP500 index futures contracts. http://www.IndexTrader.com.au

Market Auction System Proprietary trading system and personalized coaching with real-time assistance utilizing instant messenger. http://eminidaytrader.com

SystemRank A sortable, online database of commodity trading systems ranked by user defined parameters. http://www.systemrank.com